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The AAPG/Datapages Combined Publications Database

Showing 18,829 Results. Searched 200,691 documents.

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Abstract: Application of Dominant Frequency Band Reconstruction Inversion Technology in the Prediction of Oil-Bearing Reservoirs under Coal-Bearing Strata;

Fulei Li, Xiang Guo, Bing Wang, Xufeng Zhang, Xuebin Yin, Yu Cao

Search and Discovery.com

...Abstract: Application of Dominant Frequency Band Reconstruction Inversion Technology in the Prediction of Oil-Bearing Reservoirs under Coal-Bearing...

Unknown

ABSTRACT: Three Dimensional Fault Detection Using Dip and Azimuth; #90120 (2011)

Aftab Alam, Mirza Naseer Ahmad, Mumtaz Ahmad Mehar, and Sohaib Ahmad

Search and Discovery.com

... and fault continuously in a 3D seismic volume. Spectral decomposition methods provide time-continuous phase spectrum at each trace. Laterally continuous...

2011

Adaptive UMAP based multiple-frequency attribute blending and its application on hydrocarbon reservoir characterization

Zezhou Zhang, Naihao Liu, Yang Yang, Zhiguo Wang, Rongchang Liu, Jinghuai Gao

International Meeting for Applied Geoscience and Energy (IMAGE)

... in Figure 1. It can be summarized as follows. (1) Extract multi-frequency components. We apply GST to seismic data Di (t, x, y) and obtain its GST spectrum...

2023

Detecting Fracture Zones in the Austin Chalk Using Seismic P- Wave Data

Ilyas Najmuddin

Houston Geological Society Bulletin

.... The shift in the spectrum towards lower frequencies is evident from the shift in the peak frequencies. Figure 6b. Peak frequency above the chalk minus...

2001

Quantitative evaluation of vibroseis excitation signal based on signal-noise separation

Fei Luo, Yang Zhu, Tie Wei, Guowei Wei, Lianbin Jiang

International Meeting for Applied Geoscience and Energy (IMAGE)

... signal Introduction The quality evaluation of vibroseis excitation signals is often described by distortion, phase, frequency spectrum, timefrequency...

2022

A method of attenuating bubble effect based on frequency domain filter

Yifei Xiao, Jianguo Song

International Meeting for Applied Geoscience and Energy (IMAGE)

...A method of attenuating bubble effect based on frequency domain filter Yifei Xiao, Jianguo Song A method of attenuating bubble effect based...

2024

S-transform based processing of noisy surface wave record for recovering high-resolution spectrum

Sayan Mukherjee, Mrinal Bhaumik, Tarun Naskar

International Meeting for Applied Geoscience and Energy (IMAGE)

... of three steps. First, MST is performed over the raw data to obtain the time-frequency representation. After that, the resulting spectrum is analyzed...

2022

Assessment on the Serviceability of Monopod Platforms in Java Sea Due to Wave Excitation

Gde Pradnyana

Southeast Asia Petroleum Exploration Society (SEAPEX)

... the natural frequency within the energetic range of the wave spectrum, as is the case for the single well caisson (monopod) investigated here. This type...

1996

Abstracts: Color Correction for Gabor Deconvolution: A Test with Field Data; #90173 (2015)

Peng Cheng, Gary F. Margrave, David C. Henley

Search and Discovery.com

... algorithms, the reflectivity is usually assumed to have a flat (white) amplitude spectrum over the deconvolution frequency band. Such a reflectivity...

2015

ABSTRACT: Examples of Enhanced Spectral Processing in Direct Hydrocarbon Detection; #90007 (2002)

Sun, Shengjie, John P. Castagna, Robert W. Siegfried

Search and Discovery.com

.... a) The synthetic trace for modeling study. b) ESP timefrequency spectrum c) STFT time-frequency spectrum 2 .0 0 +30 H z at 220, 230 + 30 H z at 130, 135 +40 H z...

Unknown

Abstract: How much well do you need in Acoustic Impedance Inversion?; #90174 (2014)

Heather J. E. Lloyd and Gary F. Margrave

Search and Discovery.com

... there will be no low frequency gap so the spectrum will be appropriately filled. Figure 4 shows these results. Note that frequencies lower than 5 Hz...

2014

Self-supervised learning for seismic swell noise removal

Yuan Zi, Shirui Wang, Pengyu Yuan, Xuqing Wu, Jiefu Chen, Zhu Han

International Meeting for Applied Geoscience and Energy (IMAGE)

... for denoising Trust-band misfit loss Entry-wise multiplication Construct trust frequency spectrum mask 1D FFT 90° 270° misfit loss 90° 270...

2022

Magnetic Spectrum of the San Kampaeng Geothermal Area, Northern Thailand

Somsri Sertsrivanit, Charn Tantisukrit, Surachai Praserdvigai

Geological Society of Malaysia (GSM)

... of Thailand. Abstract: The energy spectrum o t the Sun Kiimptteiig toiul magnetic lield is cut olT ut the frequency higher than 0.0015 cycle.metre for each...

1986

Seismic Enhancement Resolution in Penobscot Field With Short-Time Fourier Transform Half Cepstrum Method

Taufiq Brilliant Askari, Intan Andriani Putri

Indonesian Petroleum Association

... frequency spectrum. Window’s parameters is crucial particularly ensuring the signal chunk could be considered as a stationary signal and also to avoid...

2022

Multi-Step Auto-Regressive Reconstruction of Nonuniformly Sampled, Aliased Seismic Records; #41563 (2015)

M. Naghizadeh, M. D. Sacchi

Search and Discovery.com

... frequency portion of the data spectrum using Fourier based reconstruction. The reconstructed low frequencies are used to extract prediction error filters...

2015

Microseismic Event Spectrum Control and Strain Energy Release in Stressed Rocks; #40897 (2012)

Alexander O. Rozanov

Search and Discovery.com

...Microseismic Event Spectrum Control and Strain Energy Release in Stressed Rocks; #40897 (2012) Alexander O. Rozanov PS Microseismic Event Spectrum...

2012

Identifying and Fixing Artifacts that Arise in Structure-Oriented Filtering; #42479 (2019)

Satinder Chopra, Kurt Marfurt

Search and Discovery.com

...-frequency end of the spectrum after median filtering indicated by the blue ellipse. Applying a bandpass filter (4-12, 90-100 Hertz) to the median...

2019

Seismic Time-Frequency Analysis by Empirical Mode Decomposition; #41513 (2015)

Jiajun Han, Mirko van der Baan

Search and Discovery.com

... to analyze the time frequency distribution of well logs. Han and van der Baan (2013) combine the instantaneous spectrum with CEEMD for seismic time...

2015

Design of low frequency sweep signals for conventional vibrators

Tie Wei, Yang Zhu, Zhigang Liu, Dong Wang, Guowei Wei, Mingtao Nie

International Meeting for Applied Geoscience and Energy (IMAGE)

... point f, PL is the custom amplitude spectrum limit value at frequency point f. Calculate the instantaneous phase of the custom signal with the following...

2024

Abstract: AVO Compliant Spectral Balancing; #90171 (2013)

Nirupama Nagarajappa and Jon Downton

Search and Discovery.com

... deconvolution to further flatten the frequency spectrum. However, unless carefully implemented this might have the undesirable effect of altering...

2013

Abstracts: Recovery of Low Frequency Data from 10Hz Geophones; #90173 (2015)

Malcolm B. Bertram, Gary F. Margrave

Search and Discovery.com

.... The recovery of the lower frequency content in the 10Hz data is apparent. A low cut filter is necessary to trim the spectrum near DC as the inverse...

2015

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